628131265695 has 48 divisors (see below), whose sum is σ = 1110654866880. Its totient is φ = 328282126848.

The previous prime is 628131265669. The next prime is 628131265703. The reversal of 628131265695 is 596562131826.

628131265695 is a `hidden beast` number, since 6 + 28 + 1 + 31 + 26 + 569 + 5 = 666.

It is not a de Polignac number, because 628131265695 - 2¹⁴ = 628131249311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1802851 + ... + 2122859.

It is an arithmetic number, because the mean of its divisors is an integer number (23138643060).

Almost surely, 2^628131265695 is an apocalyptic number.

628131265695 is a deficient number, since it is larger than the sum of its proper divisors (482523601185).

628131265695 is a wasteful number, since it uses less digits than its factorization.

628131265695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320896 (or 320893 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 628131265695 in words is "six hundred twenty-eight billion, one hundred thirty-one million, two hundred sixty-five thousand, six hundred ninety-five".